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Ransomware can produce direct and controllable economic loss, which makes it one of the most prominent threats in cyber security. As per the latest statistics, more than half of malwares reported in Q1 of 2017 are ransomwares and there is a…

Cryptography and Security · Computer Science 2020-04-07 Manaar Alam , Sayan Sinha , Sarani Bhattacharya , Swastika Dutta , Debdeep Mukhopadhyay , Anupam Chattopadhyay

Encryption-based attacks have introduced significant challenges for detection mechanisms that rely on predefined signatures, heuristic indicators, or static rule-based classifications. Probabilistic Latent Encryption Mapping presents an…

Cryptography and Security · Computer Science 2025-03-26 Mohammad Eisa , Quentin Yardley , Rafael Witherspoon , Harriet Pendlebury , Clement Rutherford

Ransomware variants increasingly combine privilege escalation with sophisticated evasion strategies such as intermittent encryption, low-entropy encryption, and imitation attacks. Such powerful ransomware variants, privilege-escalated…

Cryptography and Security · Computer Science 2026-01-27 Beom Heyn Kim , Seok Min Hong , Mohammad Mannan

The rapid evolution of cyber threats has outpaced traditional detection methodologies, necessitating innovative approaches capable of addressing the adaptive and complex behaviors of modern adversaries. A novel framework was introduced,…

Cryptography and Security · Computer Science 2025-08-11 Ignatius Rollere , Caspian Hartsfield , Seraphina Courtenay , Lucian Fenwick , Aurelia Grunwald

We present in this work an economic analysis of ransomware, with relevant data from Cryptolocker, CryptoWall, TeslaCrypt and other major strands. We include a detailed study of the impact that different price discrimination strategies can…

Cryptography and Security · Computer Science 2017-03-21 Julio Hernandez-Castro , Edward Cartwright , Anna Stepanova

Recently researchers have proposed using deep learning-based systems for malware detection. Unfortunately, all deep learning classification systems are vulnerable to adversarial attacks. Previous work has studied adversarial attacks against…

Cryptography and Security · Computer Science 2017-12-19 Jack W. Stokes , De Wang , Mady Marinescu , Marc Marino , Brian Bussone

Ransomware poses a significant threat to individuals and organisations, compelling tools to investigate its behaviour and the effectiveness of mitigations. To answer this need, we present SAFARI, an open-source framework designed for safe…

Cryptography and Security · Computer Science 2025-04-11 Tommaso Compagnucci , Franco Callegati , Saverio Giallorenzo , Andrea Melis , Simone Melloni , Alessandro Vannini

In the banking industry, ransomware is a well-known threat, but since the beginning of 2022, cryptojacking, an emerging threat is posing a considerable challenge to the banking industry. Ransomware has variants, and the attackers keep…

Cryptography and Security · Computer Science 2023-11-28 Naresh Kshetri , Mir Mehedi Rahman , Sayed Abu Sayeed , Irin Sultana

A survey of machine learning techniques trained to detect ransomware is presented. This work builds upon the efforts of Taylor et al. in using sensor-based methods that utilize data collected from built-in instruments like CPU power and…

Machine Learning · Computer Science 2021-10-18 Erik Larsen , David Noever , Korey MacVittie

Developed by Paul Kocher, Joshua Jaffe, and Benjamin Jun in 1999, Differential Power Analysis (DPA) represents a unique and powerful cryptanalysis technique. Insight into the encryption and decryption behavior of a cryptographic device can…

Cryptography and Security · Computer Science 2010-10-04 Massoud Masoumi

Anti-malware agents typically communicate with their remote services to share information about suspicious files. These remote services use their up-to-date information and global context (view) to help classify the files and instruct their…

Cryptography and Security · Computer Science 2021-09-24 Asaf Nadler , Ron Bitton , Oleg Brodt , Asaf Shabtai

The commoditization of Malware-as-a-Service (MaaS) allows criminals to obtain financial benefits at a low risk and with little technical background. One such popular product in the underground economy is ransomware. In ransomware attacks,…

Cryptography and Security · Computer Science 2021-07-09 Javier Yuste , Sergio Pastrana

Researchers have proposed a wide range of ransomware detection and analysis schemes. However, most of these efforts have focused on older families targeting Windows 7/8 systems. Hence there is a critical need to develop efficient solutions…

Cryptography and Security · Computer Science 2023-06-27 Aldin Vehabovic , Hadi Zanddizari , Farook Shaikh , Nasir Ghani , Morteza Safaei Pour , Elias Bou-Harb , Jorge Crichigno

Traditional techniques to prevent damage from ransomware attacks are to detect and block attacks by monitoring the known behaviors such as frequent name changes, recurring access to cryptographic libraries and exchange keys with remote…

Cryptography and Security · Computer Science 2019-04-11 Jinwoo Ahn , Donggyu Park , Chang-Gyu Lee , Donghyun Min , Junghee Lee , Sungyong Park , Qian Chen , Youngjae Kim

This article attempts to discover the surreptitious features of ransomware and to address it in information systems security research. It intends to elicit attention with regard to ransomware, a newly emerged cyber threat using such…

Cryptography and Security · Computer Science 2016-03-29 Akashdeep Bhardwaj , G. V. B. Subrahmanyam , Vinay Avasthi , Hanumat Sastry

Nowadays security is major concern for any user connected to the internet. Various types of attacks are to be performed by intruders to obtaining user information as manin-middle attack, denial of service, malware attacks etc. Malware…

Cryptography and Security · Computer Science 2020-01-22 Jaspreet Kaur

Crypto-ransomware is characterized by its irreversible effect even after the detection and removal. As such, the early detection is crucial to protect user data and files of being held to ransom. Several solutions have proposed utilizing…

Cryptography and Security · Computer Science 2020-12-01 Bander Ali Saleh Al-rimy , Mohd Aizaini Maarof , Syed Zainudeen Mohd Shaid

The continued evolution and diversity of malware constitutes a major threat in modern systems. It is well proven that security defenses currently available are ineffective to mitigate the skills and imagination of cyber-criminals…

Cryptography and Security · Computer Science 2019-04-02 Irina Baptista , Stavros Shiaeles , Nicholas Kolokotronis

Malware analysis systems, including dynamic-analysis sandboxes and digital forensics and incident response (DFIR) platforms, rely on telemetry pipelines comprising collection agents, serializers, and database backends to capture and present…

Cryptography and Security · Computer Science 2026-05-19 Evgenios Gkritsis , Constantinos Patsakis , George Stergiopoulos

The use of multi-threading and file prioritization methods has accelerated the speed at which ransomware encrypts files. To minimize file loss during the ransomware attack, detecting file modifications at the earliest execution stage is…

Cryptography and Security · Computer Science 2024-09-19 Mohan Anand Putrevu , Hrushikesh Chunduri , Venkata Sai Charan Putrevu , Sandeep K Shukla